/Engine/Source/Runtime/Slate/Public/Widgets/Docking/SDockTab.h
Get the tab manager currently managing this tab. Note that a user move the tab between Tab Managers, so this return value may change.
[TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FTabManager](API\Runtime\Slate\Framework\Docking\FTabManager) > GetTabManagerPtr() const